Dindigul vs Imphal
Side-by-side air quality comparison between Dindigul and Imphal.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Dindigul | Imphal |
|---|---|---|
| PM2.5(µg/m³) | 18.20 | 45.80 |
| PM10(µg/m³) | 19.70 | 53.10 |
| NO₂(µg/m³) | 28.00 | 12.00 |
| SO₂(µg/m³) | 2.70 | 2.30 |
| O₃(µg/m³) | 1.00 | 33.00 |
| CO(µg/m³) | 215.00 | 414.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dindigul averaged an AQI of 61 while Imphal averaged 110 — a 49-point (80%) gap, with Imphal the more polluted and Dindigul the cleaner of the two. On 135 days when both cities reported, Dindigul was cleaner on 116 of them; the average daily gap was 78 AQI points.
Seasonality & days
Dindigul peaks in February, while Imphal peaks in October. Dindigul logged 0% Severe days and 67.3% Good-or-Satisfactory days; Imphal was 1.1% Severe and 49.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Dindigul 22 days, Imphal 103 days.
Year-over-year progress
Dindigul has improved by 29 AQI points (32.2%) from 2022 to 2024; Imphal has worsened by 23 AQI points (26.4%) over the same window. The worst recorded day for Dindigul reached AQI 352 at Mendonsa Colony (TNPCB) on 2023-03-12; Imphal hit AQI 500 at University Imphal (PCB) on 2024-10-11.
Station-level disparity
Dindigul spans 1 CPCB stations with a 0-point spread (min 102, max 102); Imphal spans 2 stations with a 4-point spread (min 97, max 101).
Verdict
🏆 Dindigul has better air quality with an AQI of 30 compared to Imphal's 77.